211 (Q4047816)
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vacuum power output triode
- VT-4B
- 4C21
- CV25
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | 211 |
vacuum power output triode |
|
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | 211 |
vacuum power output triode |
|
